Prior to this dude, Cliff Clavin might have been the best Jeopardy contestant ever. From Yahoo: The actual best Final Jeopardy! answer of all time came from Cliff Clavin on “Cheers,” when he responded to the clue “Archibald Leach, Bernard Schwartz, and Lucille LeSueur” with “Who are three people who have never been in my kitchen?”
Final Jeopardy
Mike's Pub 